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Ayten Tube Fittings is a well-respected manufacturer and supplier of top-quality Super Duplex Steel Hydraulic Fittings based in Addis Ababa, Ethiopia. We specialize in providing dependable solutions for high-pressure hydraulic systems. Our hydraulic fittings are crafted to offer outstanding strength, leak-proof performance, and resistance to corrosion, ensuring safe fluid transfer even in the toughest industrial settings. With a commitment to precision engineering, durability, and efficiency, Ayten Tube Fittings delivers fittings that boost system integrity and enhance operational safety. We prioritize premium quality, adhere to international standards, and guarantee a long service life, making our Super Duplex Steel Hydraulic Fittings the go-to choice for critical hydraulic applications.
Our Super Duplex Steel Hydraulic Fittings are made from high-alloy Super Duplex grades like UNS S32750 and S32760, which consist of chromium (24–26%), nickel (6–8%), molybdenum (3–4%), and nitrogen. These fittings boast remarkable mechanical properties, including very high tensile and yield strength, exceptional impact toughness, and excellent resistance to fatigue and wear. Their unique dual-phase ferritic-austenitic structure offers impressive protection against pitting, crevice corrosion, stress corrosion cracking, and erosion, particularly in high-pressure and chloride-rich environments, ensuring long-lasting reliability and performance.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | SUPER DUPLEX UNS S32750, UNS S32760 |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | 1 BAR TO 700 BAR |
| SIZE RANGE | 6 MM TO 42 MM |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
| Grade | S32750 | S32760 |
| C | 0.030 max | 0.05 max |
| Mn | 1.20 max | 1.00 max |
| Si | 0.80 max | 1.00 max |
| P | 0.035 max | 0.030 max |
| S | 0.020 max | 0.010 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Mo | 3.00 – 5.00 | 3.00 – 4.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| N | 0.24 – 0.32 | 0.20 – 0.30 |
| Fe | 58.095 min | 57.61 min |
| Density (g/cm 3) | 7.8 |
| Density (lb/in 3) | 0.281 |
| Melting Point (°C) | 1350 |
| Melting Point (°F) | 2460 |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 |
Contact us to get a quick quote for your requirement.
Super Duplex Steel Hydraulic Fittings are a go-to choice for high-pressure hydraulic systems where top-notch corrosion resistance and strength really matter. They’re perfect for offshore and marine projects, oil and gas drilling and exploration, petrochemical and refinery operations, chemical processing plants, desalination units, power generation, and subsea equipment. These fittings excel in hydraulic circuits that deal with aggressive fluids or work in tough environments filled with high stress, vibration, or pressure. Their outstanding performance in extreme conditions guarantees secure, leak-free fluid transmission, making them a reliable option for critical hydraulic and instrumentation systems.
Please feel free to contact us if you need any further information or for enquiry.
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